MC34166D2TG
IC REG BUCK BST ADJ 3.3A D2PAK-5
Pmic Voltage Regulators Dc Dc Switching Regulators
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Obsolete
$1.97 / unit (market reference)
MOQ: 153 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | MC34166D2TG |
| Package / Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Topology | Buck, Boost |
| Voltage - Input (Min) | 7.5V |
| Voltage - Input (Max) | 40V |
| Voltage - Output | 5.05V |
| Current - Output | 3.3A (Switch) |
| Frequency - Switching | 72kHz |
| Number of Outputs | 1 |
| Supplier Device Package | D2PAK-5 |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
MC34166D2TG by Rochester Electronics, LLC is a Buck, Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 40V, output 5.05V. The TO-263-6, D²Pak (5 Leads + Tab), TO-263BA package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Step-Up, Step-Down |
| Topology | Buck, Boost |
| Output Type | Adjustable |
| Current - Output | 3.3A (Switch) |
| Number of Outputs | 1 |
| Output Configuration | Positive or Negative |
| Frequency - Switching | 72kHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 40V |
| Voltage - Input (Min) | 7.5V |
| Voltage - Output (Max) | 40V (Switch) |
| Voltage - Output (Min/Fixed) | 5.05V |
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